﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DANGQUYNHTRANG.Programming.Part03.Level1.BT02
{
    class MODEL
    {
        public double Cong(NUMBER number)
        {
            return number.A + number.B;
        }

        public double Tru(NUMBER number)
        {
            return number.A - number.B;
        }

        public double Nhan(NUMBER number)
        {
            return number.A * number.B;
        }

        public double Chia(NUMBER number)
        {
            return number.A / number.B;
        }
    }
}
